Ara Quiz

What is the divisibility rule for 3?

• Add up the digits. The sum must be even and divisible by 3.
• The digits must add up to 9.
• The last digit must be a 3.
• Add up the digits. The sum must be divisible by 3.

What is the divisibility rule for 5?

• The digits must add up to 10.
• The last digit needs to be a 5 or 0.
• The last digit can only be a 5.
• The sum of the digits need to be divisible by 5.

A number is divisible by 10 if

• It is even

• It ends in 0

• It ends in 0 or 5

• The sum of the digits is a multiple of 10

any number which ends in a 2, 4, 6, 8, or 0, is even, and divisible by ?

• 2

• 4

• 6

• 8

if the number you have is divisible by two and three, it is also divisible by ?

• 6

• 4

• 2

• 3

325 would be divisible by

• 5

• 25

• 7

• 10

621 is divisible by

• 3

• 7

• 2

• 5

70 can be evenly divided by which number?

• 5
• 10
• 2
• All of the above

You have two numbers, 20 and 100. What number can you divide out of both of them?

• 3
• 10
• 9
• 15

Which of the following is an even number?

• 1
• 9
• 4
• 5